99 行
		
	
	
	
		
			3.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			99 行
		
	
	
	
		
			3.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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if (!defined('BASEPATH')) exit('No direct script access allowed');
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class Timeplotter_model extends CI_Model
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{
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    function getTimes($postdata) {
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		$CI =& get_instance();
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		$CI->load->model('logbooks_model');
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		$logbooks_locations_array = $CI->logbooks_model->list_logbook_relationships($this->session->userdata('active_station_logbook'));
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        if (!$logbooks_locations_array) {
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            header('Content-Type: application/json');
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            $data['error'] = 'No QSOs found to plot!';
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            echo json_encode($data);
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            return;
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        }
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        $this->db->select('time(col_time_on) time, col_call as callsign');
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        if ($postdata['band'] != 'All') {
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            if ($postdata['band'] == 'SAT') {
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                $this->db->where('col_prop_mode', $postdata['band']);
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            }
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            else {
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                $this->db->where('col_band', $postdata['band']);
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            }
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        }
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        if ($postdata['dxcc'] != 'All') {
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            $this->db->where('col_dxcc', $postdata['dxcc']);
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        }
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        if ($postdata['cqzone'] != 'All') {
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            $this->db->where('col_cqz', $postdata['cqzone']);
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        }
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        $this->db->where_in('station_id', $logbooks_locations_array);
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        $datearray = $this->db->get($this->config->item('table_name'));
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        $this->plot($datearray->result_array());
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    }
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    /*
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    * Function generates the array, checks for array entries, and adds them before returning data ready for plot
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    */
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    function plot($log) {
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        $start = "00:00";
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        $end = "23:59";
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        $tStart = strtotime($start);
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        $tEnd = strtotime($end);
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        $tNow = $tStart;
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        $i = 0;
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        while($tNow <= $tEnd){                          // Generates the time array
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            $label = date("H:i",$tNow).'z - ';
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            $tNow = strtotime('+30 minutes',$tNow);
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            $label .= date("H:i",$tNow).'z';
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            $dataarray[$i]['time'] =  $label;   // Used in x-axis of graph to show label for the timeslot
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            $dataarray[$i]['count'] = '0'; // Used to hold number of contacts found in the timeslot
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            $dataarray[$i]['calls'] = ''; // Used for holding callsigns of contacts in that timeslot
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            $dataarray[$i]['callcount'] = '0'; // Used for counting how many callsigns stored in that timeslot
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            $i++;
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        }
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        foreach ($log as $line) {       // Looping through all the timestamps found in the log
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            $time = $line['time'];									// Resolution is 30, calculates where to put result in array
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            $dt = new DateTime("1970-01-01 $time", new DateTimeZone('UTC'));
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            $arrayplacement = (int)$dt->getTimestamp();
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            $arrayplacement = floor($arrayplacement / 1800);
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            $dataarray[$arrayplacement]['count']++;
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            $callCount = $dataarray[$arrayplacement]['callcount'];
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            if ($callCount < 5) {   // We only save a max of 5 calls to show in the graph
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                if ($callCount > 0) {
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                    $dataarray[$arrayplacement]['calls'] .= ', ';
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                }
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                $dataarray[$arrayplacement]['calls'] .= $line['callsign'];
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                $dataarray[$arrayplacement]['callcount']++;
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            }
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        }
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        if (count($log) != 0) {  // If we have a result from the log
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            header('Content-Type: application/json');
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            $data['qsocount'] = count($log);
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            $data['ok'] = 'OK';
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            $data['qsodata'] = $dataarray;
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            echo json_encode($data);
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        }
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        else {
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            header('Content-Type: application/json');
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            $data['error'] = 'No QSOs found to plot!';
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            echo json_encode($data);
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        }
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    }
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}
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